#include <stdio.h>
#include <stdlib.h>
#include "mutex.hpp"

int ticket = 100;

//创建锁
Mutex lock;

void* route(void* arg)
{
    char* id = (char* )arg;
    while (1)
    {
        //加锁
        lock.lock();
        if (ticket > 0)
        {
            usleep(1000);
            printf("%s sells ticket:%d\n", id, ticket);
            ticket--;
            //解锁
            lock.unlock();
        }
        else
        {
            //解锁
            lock.unlock();
            break;
        }
    }
    return nullptr;
}
int main()
{
    pthread_t t1, t2, t3, t4;
    pthread_create(&t1, NULL, route, (void*)"thread 1");
    pthread_create(&t2, NULL, route, (void*)"thread 2");
    pthread_create(&t3, NULL, route, (void*)"thread 3");
    pthread_create(&t4, NULL, route, (void*)"thread 4");
    pthread_join(t1, NULL);
    pthread_join(t2, NULL);
    pthread_join(t3, NULL);
    pthread_join(t4, NULL);
    return 0;
}